Citation: Moore, P. B.; Shen, J.; Araki, T. (1985). Crystal chemistry of the (M2)3+ phi2 sheet: Structural principles and crystal structures of ruizite, macfallite and orientite. American Mineralogist, 70, pp. 171-181.
Formula: Ca2 H4 Mn3 O14 Si2.5
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Mn16 O64 Si12 (Mn4 O16 Si3)
Multiplicity: 1